Clamshell dental cassette



FIG. 1 is a perspective view of a clamshell dental cassette showing my new design;

FIG. 2 is another perspective view thereof, in a closed configuration;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a side view thereof, the opposite side being a mirror image;

FIG. 6 is an end view thereof; and,

FIG. 7 is an opposite end view thereof. 

The ornamental design for a clamshell dental cassette, as shown and described. 